perlPackages.Want: 0.26 -> 0.29

pkgs/top-level/perl-packages.nix

···
     };
   };
 
-  Want = buildPerlPackage {
-    name = "Want-0.26";
+  Want = buildPerlPackage rec {
+    name = "Want-0.29";
     src = fetchurl {
-      url = mirror://cpan/authors/id/R/RO/ROBIN/Want-0.26.tar.gz;
-      sha256 = "4951675e13de2b0b9792be2827b8ef46ef25a0b9a2d3e9132143444dac28e17c";
+      url = "mirror://cpan/authors/id/R/RO/ROBIN/${name}.tar.gz";
+      sha256 = "1xsjylbxxcbkjazqms49ipi94j1hd2ykdikk29cq7dscil5p9r5l";
     };
   };